NT6881 Datasheet | Unknown Manufacturer

USB Keyboard Micro-Controller Features n Built-in 6502 8-bit CPU n 3 MHz CPU operation frequency when oscillator is running at 6 MHz n 6K bytes of ROM n 256 bytes of SRAM n One 8-bit programmable base timer with pre-divider circuit n 29 programmable bi-directional I/O pins including two external interrupts n n n n n n n n n 3 LED direct sink pins with internal serial resistors On-chip oscillator (Crystal or Ceramic Resonator) Watch-dog timer reset Built-in power on reset USB interface 3 Endpoints provided Remote Wakeup provided CMOS technology for low power consumption 40-pin DIP package, 42-pad Chip Form and COB General Description The NT6881 is a single chip micro-controller for...